High CPU usage - 7150-48ZP

[ctg24]

Hello,

We have a 7150-48ZP switch on firmware SPR09010f which is primarily used for access points. Over the past week it has been alerting 30% and 50% CPU usage every few minutes. It has been fine prior to this. Could someone advise on what the cause could be or where I can go to check for any errors? The show log command doesn't appear to show much.

Any help appreciated!

[ctg24]

Also noticed that multicast and broadcast traffic changed a fair amount following on from the spikes:

https://ibb.co/gFX73JB

https://ibb.co/RCxnpTj